安卓开发怎么连接mysql数据库

dependencies {
    implementation 'mysql:mysql-connector-java:8.0.26'
}

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class MySQLConnection {
    private static final String URL = "jdbc:mysql://localhost:3306/database_name";
    private static final String USERNAME = "username";
    private static final String PASSWORD = "password";

    public static Connection getConnection() throws SQLException {
        return DriverManager.getConnection(URL, USERNAME, PASSWORD);
    }
}

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class Main {
    public static void main(String[] args) {
        try {
            Connection connection = MySQLConnection.getConnection();
            Statement statement = connection.createStatement();
            String query = "SELECT * FROM table_name";
            ResultSet resultSet = statement.executeQuery(query);

            while (resultSet.next()) {
                // 处理结果集
                String column1 = resultSet.getString("column1");
                int column2 = resultSet.getInt("column2");
                // ...
            }

            resultSet.close();
            statement.close();
            connection.close();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}